Kyoto University · Engineering
Professor Haruyuki Inui's research lab specializes in the fundamental understanding and development of advanced metallic materials, with a focus on high-entropy alloys and intermetallic compounds. The lab investigates phase stability, atomic-level structure-property relationships, and mechanical behavior—particularly plastic deformation mechanisms—using advanced characterization techniques such as synchrotron X-ray diffraction and atomic-resolution electron microscopy. Research directions include the design of novel structural materials with exceptional strength and stability, as well as the exploration of underlying principles governing complex crystal structures in multi-component systems. The lab integrates experimental analysis with computational modeling to guide the development of next-generation functional and structural materials.
Figures are computed from collected data and may differ slightly.
This paper reviews a current trend and recent progress in research on phase stability, atomic structures, mechanical and functional properties of high-entropy alloys. The survey is carried out based partly on the special issue published in April, 2020, in Materials Transactions (Vol. 61, No. 4). Research on high-entropy alloys has spread worldwide since the year of 2004, as many of them exhibit attractive properties for structural and functional applications, which have never been achieved in co
The crystal structures of all intermetallics of the Fe–Zn system have been investigated by synchrotron X-ray diffraction combined with atomic-resolution scanning transmission electron microscopy, in order to elucidate a basic principle based on which these crystal structures are constructed. The plastic deformation behavior of all these Fe–Zn intermetallics have also been investigated by micropillar compression testing at room temperature, with the use of small-scale pillar specimens of micromet
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